@function lsg-striped($color-a, $color-b: transparent, $size: 4px, $width: 25%) {
  @return linear-gradient(to top left,
      $color-a $width,
      $color-b 0, 50%,
      $color-a 0, (50% + $width),
      $color-b 0)
    repeat 0 0/#{$size} #{$size};
}
